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-rw-r--r--Library/Homebrew/test/test_utils.rb13
1 files changed, 13 insertions, 0 deletions
diff --git a/Library/Homebrew/test/test_utils.rb b/Library/Homebrew/test/test_utils.rb
index b0caa6a2d..816032804 100644
--- a/Library/Homebrew/test/test_utils.rb
+++ b/Library/Homebrew/test/test_utils.rb
@@ -210,4 +210,17 @@ class UtilTests < Homebrew::TestCase
assert_equal "1,000", number_readable(1_000)
assert_equal "1,000,000", number_readable(1_000_000)
end
+
+ def test_truncate_text_to_approximate_size
+ glue = "\n[...snip...]\n" # hard-coded copy from truncate_text_to_approximate_size
+ n = 20
+ long_s = "x" * 40
+ s = truncate_text_to_approximate_size(long_s, n)
+ assert_equal n, s.length
+ assert_match(/^x+#{Regexp.escape(glue)}x+$/, s)
+ s = truncate_text_to_approximate_size(long_s, n, :front_weight => 0.0)
+ assert_equal glue + ("x" * (n - glue.length)), s
+ s = truncate_text_to_approximate_size(long_s, n, :front_weight => 1.0)
+ assert_equal(("x" * (n - glue.length)) + glue, s)
+ end
end